Onthophagus taurus: Population traits

at T = 28 °C with background hazards for embryo, larva, pupa, imago: 0 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model hex f_minf f_max date: 2024/07/17
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 1 1 1 1 1 1 scaled functional response
r 1/d 0 0 0.0478877 NaN 0.0478877 NaN spec pop growth rate
t2 d NaN NaN 14.4744 NaN 14.4744 NaN population doubling time
a_b d 12.0302 12.0302 12.0302 NaN 12.0302 NaN age at birth
t_j d 39.3457 39.3457 39.3457 NaN 39.3457 NaN time since birth at metam
t_e d 42.9741 42.9741 42.9741 NaN 42.9741 NaN time since birth at emergence
S_b - 0.931147 0.931147 0.931147 NaN 0.931147 NaN survival probability at birth
S_j - 0.469625 0.0131044 0.469625 NaN 0.469625 NaN survival probability at metam
S_e - 0.440898 0.0123028 0.440898 NaN 0.440898 NaN survival probability at emergence
theta_0b - 0.270847 0.577768 0.537488 NaN 0.537488 NaN frac of ind that is embryo
theta_bj - 0.609332 0.4151 0.442505 NaN 0.442505 NaN frac of ind between b and j
theta_je - 0.0379279 0.00225763 0.00774631 NaN 0.00774631 NaN frac of ind that is pupa
theta_ei - 0.0818932 0.00487463 0.0122604 NaN 0.0122604 NaN frac of ind that is imago
L_bi cm 0.461175 0.318511 0.370047 NaN 0.370047 NaN mean structural length of post-natals
L2_bi cm^2 0.324031 0.120145 0.184094 NaN 0.184094 NaN mean squared structural length of post-natals
L3_bi cm^3 0.404443 0.0714955 0.16522 NaN 0.16522 NaN mean cubed structural length of post-natals
Ww_bi g 2.58015 0.456107 1.05403 NaN 1.05403 NaN mean wet weight of post-natals
L_ei cm 0.276848 0.276848 0.276848 NaN 0.276848 NaN mean structural length of imagos
L2_ei cm^2 0.0766446 0.0766446 0.0766446 NaN 0.0766446 NaN mean squared structural length of imagos
L3_ei cm^3 0.0212189 0.0212189 0.0212189 NaN 0.0212189 NaN mean cubed structural length of imagos
Ww_ei g 0.135366 0.135366 0.135366 NaN 0.135366 NaN mean wet weight of imagos
R 1/d 0.243711 0.243711 0.243711 NaN 0.243711 NaN mean reproduction rate of adults
J_X g/d 0.34713 0.133432 0.204914 NaN 0.204914 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.328125 0.328125 0.328125 NaN 0.328125 NaN yield of faeces on food
Y_VX mol/mol 0 0 0.00495879 NaN 0.00495879 NaN yield of living structure on food
Y_VX_d mol/mol 0.00513558 0.0319883 0.00513558 NaN 0.00513558 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.0266759 NaN 0.0266759 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0276269 0.172082 0.0276269 NaN 0.0276269 NaN yield of dead reserve on food
Y_CX mol/mol 0.519279 0.380092 0.493576 NaN 0.493576 NaN yield of CO2 on food
Y_HX mol/mol 0.556738 0.40751 0.529181 NaN 0.529181 NaN yield of H2O on food
Y_OX mol/mol -0.659085 -0.482424 -0.626461 NaN -0.626461 NaN yield of O2 on food
Y_NX mol/mol 0.119834 0.0877134 0.113902 NaN 0.113902 NaN yield of N-waste on food
mu_TX J/mol 343890 252581 327028 NaN 327028 NaN yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: imago deposits eggs at constant rate during lifetime as imago
  • Weights of adults do not include reproduction buffer